11199720527 has 2 divisors, whose sum is σ = 11199720528. Its totient is φ = 11199720526.

The previous prime is 11199720491. The next prime is 11199720541. The reversal of 11199720527 is 72502799111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11199720527 - 2⁶ = 11199720463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11199720577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599860263 + 5599860264.

It is an arithmetic number, because the mean of its divisors is an integer number (5599860264).

Almost surely, 2^11199720527 is an apocalyptic number.

11199720527 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199720527 is an equidigital number, since it uses as much as digits as its factorization.

11199720527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 44.

The spelling of 11199720527 in words is "eleven billion, one hundred ninety-nine million, seven hundred twenty thousand, five hundred twenty-seven".